Longtime Hawaii visitor destination Makauwahi Cave Reserve, owned by AOL co-founder Steve Case, on Kauai's south shore has ...

The Makauwahi Cave Reserve has been a popular tourist destination since paleoecologist David Burney and his wife, Lida Burney ...

Are limestone hills and caves worth more intact or torn down? Their long-term recurrent benefits for eco-tourism, agriculture and landscape enhancement may be worth more than the one-off gains of ...

NAGO, Okinawa Prefecture--A treasure trove of rare limestone structures has been found in a small cave system on Nagashima, an islet off the Henoko district of this southern city, a group of ...

New snail species named after "The Lord of the Rings" characters have been found in Brazil. These troglobitic snails, adapted ...

Below a rolling green carpet of rainforest, its limestone is riddled with some of the planet’s most extensive cave systems. “Of course, when I got started, we didn’t have kit like this ...

Carlsbad Caverns National Park in southeastern New Mexico is home to 119 known caves, including North America's largest cave chamber, the Big Room.

Would Krubera take us there? Cutting a jagged path through the limestone of the Arabika massif on the edge of the Black Sea, the “trail” to Krubera Cave drops down a chain of pitches ...

The cave in Tzoumerka, Epirus is one of the most impressive and most visited natural wonders of Greece and an ideal ...

Looking for an undewater adventure unlink any you've had before. Why not take a deep dive with us into these underwater caves ...